There is no way to hijack a helicopter.You can pick up helicopters in the city from the helipads.
You Cant Unless You Hack it
There is no cheat for any helicopter in GTA Vice City.
AVI
helicopterfly
jackbot
americanhelicopter
There is not a cheat to spawn a helicopter in vice city stories.
There is no cheat for helicopter in GTA Vice City.You can get helicopter in the city at several places.
There is no such cheat.
No there is not.
jumbojet
you cant.
At the airport